Question:
Name the star that suddenly increases its brightness due to a catastrophic explosion?
Name the star that suddenly increases its brightness due to a catastrophic explosion?
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Supernovas are massive star explosions — remember them as bright, short-lived stellar outbursts.
Updated On: Jun 12, 2025
- Supernova
- Comet
- Asteroid
- Meteor
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The Correct Option is A
Solution and Explanation
Step 1: Understanding stellar events
Stars undergo different phenomena during their lifecycle. One such event is a supernova, a powerful and luminous explosion.
Step 2: Characteristics of a Supernova
A supernova occurs when a massive star exhausts its nuclear fuel and collapses, leading to a catastrophic explosion that significantly increases the star’s brightness for a short time.
Step 3: Evaluate other options
A comet is an icy body that glows when near the sun but doesn't explode.
An asteroid is a rocky body, typically between Mars and Jupiter.
A meteor is a space rock that burns upon entering Earth’s atmosphere.
Hence, only "Supernova" fits the description.
Stars undergo different phenomena during their lifecycle. One such event is a supernova, a powerful and luminous explosion.
Step 2: Characteristics of a Supernova
A supernova occurs when a massive star exhausts its nuclear fuel and collapses, leading to a catastrophic explosion that significantly increases the star’s brightness for a short time.
Step 3: Evaluate other options
A comet is an icy body that glows when near the sun but doesn't explode.
An asteroid is a rocky body, typically between Mars and Jupiter.
A meteor is a space rock that burns upon entering Earth’s atmosphere.
Hence, only "Supernova" fits the description.
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